T47 External DUB

The Bikone DCTech T47 External Bottom Bracket - Steel Bearings - SRAM DUB is designed for cyclists looking for performance and durability, whether on demanding trails or on the road. Thanks to Dual Cup Technology (DC Tech) and high-quality steel bearings, this model guarantees a smooth and quiet pedaling in all conditions.

For Sram Dub Wide cranks, it is necessary to purchase a Dub Wide adapter (not included).

Consult the assembly instructions and the list of recommended spacers.

For optimal compatibility, road cranks should be mounted on road frames, and mountain bike cranks on mountain bike frames.

Technical specifications

• Bottom bracket diameter: 29 mm (Sram Dub)
• Case width: 68 to 73 mm (road and mountain bike compatible)
• Compatible bottom bracket diameter: T47
• Designed for internally threaded frames
• Weight: 140 grams
• Requires standard T45/T47 tool (not included) for assembly and disassembly
• Required tool dimensions: 52mm outer diameter, 48.2mm inner diameter, 16 notches